diff --git a/classes/decorators/CourseDateDecorator.class.php b/classes/decorators/CourseDateDecorator.class.php
index 5d40dcd6d9be4a6e196d52b3eab60bba9e8c5b2b..efcf59e0690b8dbd6f1be6fd5c9c39114f4815ae 100644
--- a/classes/decorators/CourseDateDecorator.class.php
+++ b/classes/decorators/CourseDateDecorator.class.php
@@ -205,7 +205,7 @@ class CourseDateDecorator extends Decorator
             }
             $result[$this->fields['course_full_name']->getDisplayName()] = $course_full_name;
         }
-        if (in_array('course_sem_type_id', $this->enabled_decorated_fields)) {
+        if ($this->fields['course_sem_type_id']->isEnabled()) {
             $sem_type_id = '';
             if ($course_date->course instanceof \Course) {
                 $sem_type_id = $course_date->course->status;